EP0784367B1 - Dispositif servant à envelopper une connexion à épissure - Google Patents

Dispositif servant à envelopper une connexion à épissure Download PDF

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Publication number
EP0784367B1
EP0784367B1 EP96402602A EP96402602A EP0784367B1 EP 0784367 B1 EP0784367 B1 EP 0784367B1 EP 96402602 A EP96402602 A EP 96402602A EP 96402602 A EP96402602 A EP 96402602A EP 0784367 B1 EP0784367 B1 EP 0784367B1
Authority
EP
European Patent Office
Prior art keywords
canister
valve
aperture
cuff
mandrel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96402602A
Other languages
German (de)
English (en)
Other versions
EP0784367A2 (fr
EP0784367A3 (fr
Inventor
Hans-Holger Freckmann
Rudolf Schift
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commscope Connectivity Belgium BVBA
Original Assignee
Raychem NV SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Raychem NV SA filed Critical Raychem NV SA
Publication of EP0784367A2 publication Critical patent/EP0784367A2/fr
Publication of EP0784367A3 publication Critical patent/EP0784367A3/fr
Application granted granted Critical
Publication of EP0784367B1 publication Critical patent/EP0784367B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/02—Thermal shrinking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of a wall or to the axis of another pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of a wall or to the axis of another pipe
    • F16L41/082—Non-disconnectable joints, e.g. soldered, adhesive or caulked joints
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/4441—Boxes
    • G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables
    • G02B6/44465—Seals
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
    • H02G15/1806—Heat shrinkable sleeves
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/20—Cable fittings for cables filled with or surrounded by gas or oil
    • H02G15/26—Expansion vessels; Locking heads; Auxiliary pipe-lines

Definitions

  • the invention relates to an arrangement for wrapping a Splice connection according to the preamble of claim 1.
  • EP-0 244 209 B1 describes an arrangement for encasing a Substrate known for example a splice connection, the a resettable tissue which has an opening in which a valve is arranged and a Splice connection surrounding canister.
  • the canister also has an opening that is a "frayed hole” is designed.
  • the valve has as such Tire valves have a valve floor between which and the tissue of a nut screwed onto the valve stem is clamped.
  • the valve bottom has one on the outside pointing rib, which when the valve bottom is pressed into the "Frayed hole” engages behind the hole and thus the Valve connects to the canister.
  • 11 390 is an arrangement for covering a splice connection known from electrical or optical cables.
  • This arrangement consists of a Splice connection enveloping canister and one wrapped around the canister heat shrinkable cuff.
  • the heat shrinkable cuff and the The canister wall has aligned openings in which a valve is installed.
  • the Valve can carry an extension on its end facing the feed connection, the is inside the canister. According to another embodiment, however the approach is omitted and the inner end of the tubular valve protrudes into the opening in into the canister wall to cause the sleeve to shift when heat shrinking to avoid.
  • the present invention is therefore based on the object to improve the known arrangement in such a way that it is achieved with simple means that the opening or the valve in the cuff with the opening in the canister lying on top of each other or in alignment with each other, and this Condition even after cooling the heat shrunk Cuff still exists.
  • damage is said to the insulation layer of the cores or the top layer of the Optical fibers should be largely excluded.
  • FIGS. 1 and 2 schematically illustrated embodiments explained.
  • FIGS. 1 and 2 An arrangement is shown in FIGS. 1 and 2, at which has a valve 1 in an opening 2a in a sleeve 2 is attached.
  • the valve consists of a tubular part 1a and a stop 1b.
  • the tubular part 1a - in called the following valve sleeve - has an outer and a Inner thread.
  • the valve sleeve 1a is through the opening 2a in passed the cuff 2.
  • the cuff 2 consists of a heat-recoverable plastic material in which a Fabric made of high-strength fibers can be embedded.
  • the the Opening 2a in the cuff 2 is adjacent area on both sides of a pane 3 made of heat-insulating Material covered.
  • the discs 3 advantageously exist made of asbestos-free fiber material.
  • Two metal disks 4 are provided to screw the sensitive washers 3 when tightening not to destroy or damage a nut 5.
  • the Nut 5 is screwed onto the valve sleeve 1a.
  • 6 is a so-called canister, which is not one shown splice connection of a cable is put around, to protect the splices and a gradual transition from the large diameter of the splice junction to that to produce smaller diameter cables.
  • the canister 6 has an opening 6a so that a connection from the interior of the canister 6 to the outside is possible.
  • a disk 7 out a hot melt adhesive is between the stop 1b and the lower metal disc 4 is provided.
  • the mandrel shaft 8b has one such a length that it was only a short way into the canister 6 protrudes.
  • the mandrel shaft 8b can also be used with a Be provided with external thread and in the valve sleeve 1a be screwed in.
  • a tube 9 is in the valve sleeve 1a used, which is a tube collar 9a on the upper edge the valve sleeve 1a supports.
  • the tube 9 has at that Pipe bundle 9a opposite end several slots 9b, so that Tongues 9c arise between the slots 9b.
  • the tongues 9c are shaped outwards. After inserting the tube 9 in the valve sleeve 1a, the tongues 9c in the opening 6a of the Canisters molded inward and spring behind the opening 6a apart. In this way, the valve 1 and Canister 6 connected so that the valve 1 and thus the Opening 2a in the cuff 2 with the opening 6a in the canister 6 are in line.
  • a spreading mandrel known per se can be used, which in the Valve sleeve 1a is inserted and its expanding claws reach behind the opening 6a.
  • Canister 6 After inserting the mandrel 8 or the tube 9 and the Fixing the valve 1 in the region of the opening 6a Canister 6 becomes the cuff 2 by a soft flameshrinked and cooled. After cooling Mandrel 8 or tube 9 pulled out of the valve sleeve 1a and the valve insert, not shown, in the valve sleeve 1a screwed in.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Insulation (AREA)
  • Safety Valves (AREA)
  • Cable Accessories (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Insulating Bodies (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Claims (5)

  1. Dispositif destiné à gainer une jonction épissée entre des câbles électriques ou des câbles optiques, comprenant un barillet (6) qui doit envelopper la jonction épissée et dont la face périphérique est munie d'un orifice (6a), ainsi qu'une manchette (2) emmanchable à chaud, qui doit être posée autour du barillet (6) et qui est munie d'un orifice (2a), dans lequel on introduit une valve (1) qui comporte une douille (1a) et une butée (1b), caractérisé en ce qu'il est prévu un mandrin (8, 9) qui, avant et pendant l'emmanchement à chaud de la manchette (2), ainsi que pendant le refroidissement de la manchette (2), est introduit dans la valve (1), pénètre dans l'orifice (6a) du barillet (6), amène l'orifice (2a) de la manchette (2) en alignement avec l'orifice du barillet (6) et est retiré de la valve (1) à la fin du refroidissement de la manchette (2).
  2. Dispositif selon la revendication 1, caractérisé en ce que la valve (1) comporte une douille de valve (1a) munie d'un taraudage et d'un filetage, et le mandrin (8, 9) vient en appui avec une saillie (8a, 9a) sur l'extrémité de la douille (1a) orientée vers l'extérieur et pénètre jusque dans l'orifice (6a) du barillet (6).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le mandrin (8, 9) comporte un filetage réalisé au moins sur une longueur déterminée et est vissé dans la douille (1a).
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'il est prévu de réaliser sur l'extrémité du mandrin (9) orientée vers le barillet (6) des crochets de retenue (9c), qui s'engagent derrière l'orifice (6a) du barillet (6).
  5. Dispositif selon la revendication 4, caractérisé en ce que le mandrin (8, 9), au moins sur son extrémité orientée vers le barillet (6), est conçu en forme de tube (9), en ce que l'extrémité du tube est fendue en formant des languettes (9c), et en ce que les extrémités des languettes (9c) sont courbées vers l'extérieur.
EP96402602A 1995-12-04 1996-11-22 Dispositif servant à envelopper une connexion à épissure Expired - Lifetime EP0784367B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29519179U DE29519179U1 (de) 1995-12-04 1995-12-04 Anordnung zum Umhüllen einer Spleißverbindung
DE29519179U 1995-12-04

Publications (3)

Publication Number Publication Date
EP0784367A2 EP0784367A2 (fr) 1997-07-16
EP0784367A3 EP0784367A3 (fr) 1999-04-07
EP0784367B1 true EP0784367B1 (fr) 2000-12-13

Family

ID=8016240

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96402602A Expired - Lifetime EP0784367B1 (fr) 1995-12-04 1996-11-22 Dispositif servant à envelopper une connexion à épissure

Country Status (6)

Country Link
EP (1) EP0784367B1 (fr)
CN (1) CN1106706C (fr)
AR (1) AR004844A1 (fr)
BR (1) BR9605825A (fr)
DE (2) DE29519179U1 (fr)
ES (1) ES2153086T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101814708B (zh) * 2009-02-19 2012-08-29 泉州七星电气有限公司 一种冷缩型电缆附件的预扩张方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29511390U1 (de) * 1995-07-14 1995-09-21 Alcatel Kabel AG & Co., 30179 Hannover Wärmerückstellbarer Gegenstand aus einem Kunststoffmaterial
CN113639124B (zh) * 2020-05-11 2022-12-23 富亿鑫企业有限公司 槽车取样管的保护结构

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3187380A (en) * 1961-03-21 1965-06-08 Grace W R & Co Apparatus for use in making reinforced edge apertures in heat shrinkable material
GB1585154A (en) * 1976-04-30 1981-02-25 Raychem Sa Nv Heat recoverable article
DE3272049D1 (en) * 1981-12-15 1986-08-21 Raychem Sa Nv Support for a closure assembly
US4626458A (en) * 1983-01-06 1986-12-02 Raychem Limited Recoverable article for encapsulation
CN1016917B (zh) * 1986-04-22 1992-06-03 气候国际公司 电缆接线头封闭件
GB8610486D0 (en) * 1986-04-29 1986-06-04 Raychem Sa Nv Recoverable article
DE29511390U1 (de) * 1995-07-14 1995-09-21 Alcatel Kabel AG & Co., 30179 Hannover Wärmerückstellbarer Gegenstand aus einem Kunststoffmaterial

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101814708B (zh) * 2009-02-19 2012-08-29 泉州七星电气有限公司 一种冷缩型电缆附件的预扩张方法

Also Published As

Publication number Publication date
DE29519179U1 (de) 1996-02-01
CN1156915A (zh) 1997-08-13
DE59606212D1 (de) 2001-01-18
AR004844A1 (es) 1999-03-10
CN1106706C (zh) 2003-04-23
EP0784367A2 (fr) 1997-07-16
ES2153086T3 (es) 2001-02-16
EP0784367A3 (fr) 1999-04-07
BR9605825A (pt) 1998-08-25

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